Company lists · Data refreshed September 2026
Top 25 Automotive seals and gaskets suppliers based in the United States
RevenueBase identified 243 automotive seals and gaskets suppliers headquartered in the United States as of September 2026 and tracks 6,373 professional contacts across them, including 1,971 with verified work emails. Houston is the largest hub.
This list covers automotive seals and gaskets suppliers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest automotive seals and gaskets suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,456 contacts → | ||||
Partial evidence “Henniges provides automotive original equipment manufacturers (OEMs) with sealing systems for doors, windows, trunks, lift gates, sunroofs and hoods.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 410 contacts → | ||||
Partial evidence “Founded in 1947, Lamons is one of the largest privately held gasket, seal, bolt and hose assembly manufacturers in the world.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 390 contacts → | ||||
Partial evidence “Flexitallic is the market leader in the manufacture and supply of static sealing solutions, delivering high quality industrial gaskets and providing support and engineering…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 304 contacts → | ||||
Indirect evidence “Utex Industries, Inc.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 261 contacts → | ||||
Partial evidence “Headquartered in Houston, TX, GHX Industrial LLC is a value added distributor that provides fluid sealing (gaskets), fluid transfer (hoses) and other products to a variety of…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 246 contacts → | ||||
Indirect evidence “Wolverine Advanced Materials is a leading developer and manufacturer of high-performance materials.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 188 contacts → | ||||
Strong evidence “BRC Rubber & Plastics Inc, headquartered in Fort Wayne, IN, is a leading automotive supplier specializing in the manufacture and marketing of molded rubber and plastic components…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 124 contacts → | ||||
Partial evidence “Roger Zatkoff founded Zatkoff Seals & Packings in 1959.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 115 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 103 contacts → | ||||
Indirect evidence “Since 1935, National Guard Products has been manufacturing the finest weatherstripping and threshold products, as well as a lite kit and louver line for steel and wood doors.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 95 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 95 contacts → | ||||
Partial evidence “A market leading specialist, AESSEAL holds one of the world’s most comprehensive ‘standard inventory’ portfolios of mechanical seals, bearing seals, seal support systems and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 82 contacts → | ||||
Strong evidence “Meteor Sealing Systems LLC is an automotive supplier for complex EPDM sealing systems based out of 400 S Tuscarawas Ave, Dover, OH, United States.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 78 contacts → | ||||
Indirect evidence “Nishikawa Cooper LLC is a company based out of Topeka, Bremen and Fort Wayne, Indiana, United States.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 70 contacts → | ||||
Indirect evidence “Founded in 1977, Martin Fluid Power includes five distribution locations in the US, plus locations in England and Taiwan.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 67 contacts → | ||||
Strong evidence “HGC Industries, a worldwide leader in sealing and stamping solutions, designs and manufactures gaskets, seals, and fabrications.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 66 contacts → | ||||
Indirect evidence “We perform so you can perform.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 66 contacts → | ||||
Strong evidence “State Seal Company is a manufacturer and distributor of a comprehensive range of both standard and custom designed seals, gaskets and converted products.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 64 contacts → | ||||
Partial evidence “Custom and Standard Seals, Products and Solutions Our knowledgeable team at Hercules OEM provides engineering design solutions for a diverse group of markets and applications.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 62 contacts → | ||||
Strong evidence “Cometic Gasket, Inc, is a leading worldwide supplier of shelf-stock, custom and short-run gaskets for the performance, automotive, powersports, original equipment and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 47 contacts → | ||||
Partial evidence “With more than forty years of polymer seal and gasket experience, Lauren Mfg is well qualified as your single, integrated source for high-tech molded and extruded polymer…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 45 contacts → | ||||
Indirect evidence “At Marco Rubber & Plastics, we are experts in solving complex sealing challenges, and we never settle for anything but the right sealing solution for our customers.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 42 contacts → | ||||
Indirect evidence “Solving sealing challenges for over 50 years worldwide.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 39 contacts → | ||||
Indirect evidence “Wyatt Seal helps you find the right sealing solution for any application.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 37 contacts → | ||||
Strong evidence “Pacific Rubber & Packing is a leading source of manufactured and custom-designed polymer and elastomer o-rings, seals and gaskets for a range of semiconductor, medical…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: automotive seals and gaskets suppliers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names automotive seals and gaskets suppliers.
- Partial evidence
- Its own public description names part of automotive seals and gaskets suppliers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name automotive seals and gaskets suppliers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 243 automotive seals and gaskets suppliers based in the United States
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Automotive seals and gaskets suppliers based in the United States at a glance
As of Sep 30, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 243 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among automotive seals and gaskets suppliers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “automotive seals and gaskets suppliers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names automotive seals and gaskets suppliers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among automotive seals and gaskets suppliers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 1,971 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 30, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names automotive seals and gaskets suppliers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many automotive seals and gaskets suppliers are there based in the United States?
RevenueBase identified 243 automotive seals and gaskets suppliers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Henniges Automotive, headquartered in Auburn Hills, tops this list with the largest team on record.
Which city has the most automotive seals and gaskets suppliers?
Houston leads with 12 headquartered companies, followed by Fort Wayne (3) and Rockford (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,971 verified decision-maker contacts tracked across these 243 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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